kenkenken

It is not like ‘very limited’. But generally they are focused around modern Intel CPU, and can have issues on new AMD CPU. And it won’t work on very old CPUs without proper virtualization features.

https://www.qubes-os.org/hcl/ can hint on what Qubes will work better.

Also see the system requirements: https://www.qubes-os.org/doc/system-requirements/

Probably, yes. Qubes AppVMs don’t run the whole DE inside it. Also, Qubes uses automatic memory balancing for VMs, so users doesn’t need to care about it much.

https://www.qubes-os.org/doc/qmemman/

But the majority of distros provides it as a default choice. FF for Linux is like Edge for Windows.

It’s not much about the donation. Actually Russia now are hunting for people with American and European citizenship for future swaps.

Right now statcounter shows:

Firefox: 2.74% Linux: 1.61%